JP2006269690A - 軟磁性薄膜および磁気記録ヘッド - Google Patents

軟磁性薄膜および磁気記録ヘッド Download PDF

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Publication number
JP2006269690A
JP2006269690A JP2005084935A JP2005084935A JP2006269690A JP 2006269690 A JP2006269690 A JP 2006269690A JP 2005084935 A JP2005084935 A JP 2005084935A JP 2005084935 A JP2005084935 A JP 2005084935A JP 2006269690 A JP2006269690 A JP 2006269690A
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JP
Japan
Prior art keywords
magnetic
thin film
layer
magnetic pole
feco
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2005084935A
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English (en)
Japanese (ja)
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JP2006269690A5 (enrdf_load_stackoverflow
Inventor
Hiroko Miyake
裕子 三宅
Masaya Kato
雅也 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2005084935A priority Critical patent/JP2006269690A/ja
Priority to US11/154,181 priority patent/US7397632B2/en
Priority to KR1020050052937A priority patent/KR100723901B1/ko
Priority to CNB200510083079XA priority patent/CN100371989C/zh
Publication of JP2006269690A publication Critical patent/JP2006269690A/ja
Publication of JP2006269690A5 publication Critical patent/JP2006269690A5/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3113—Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/16—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing cobalt
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
    • H01F41/26—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids using electric currents, e.g. electroplating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
  • Hall/Mr Elements (AREA)
JP2005084935A 2005-03-23 2005-03-23 軟磁性薄膜および磁気記録ヘッド Pending JP2006269690A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005084935A JP2006269690A (ja) 2005-03-23 2005-03-23 軟磁性薄膜および磁気記録ヘッド
US11/154,181 US7397632B2 (en) 2005-03-23 2005-06-16 Soft magnetic thin film and magnetic recording head
KR1020050052937A KR100723901B1 (ko) 2005-03-23 2005-06-20 연자성 박막 및 자기 기록 헤드
CNB200510083079XA CN100371989C (zh) 2005-03-23 2005-07-08 软磁性薄膜和磁记录头

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005084935A JP2006269690A (ja) 2005-03-23 2005-03-23 軟磁性薄膜および磁気記録ヘッド

Publications (2)

Publication Number Publication Date
JP2006269690A true JP2006269690A (ja) 2006-10-05
JP2006269690A5 JP2006269690A5 (enrdf_load_stackoverflow) 2008-03-06

Family

ID=37015613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005084935A Pending JP2006269690A (ja) 2005-03-23 2005-03-23 軟磁性薄膜および磁気記録ヘッド

Country Status (4)

Country Link
US (1) US7397632B2 (enrdf_load_stackoverflow)
JP (1) JP2006269690A (enrdf_load_stackoverflow)
KR (1) KR100723901B1 (enrdf_load_stackoverflow)
CN (1) CN100371989C (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008205472A (ja) * 2007-02-16 2008-09-04 Headway Technologies Inc 軟磁性層の形成方法および磁性層の軟化方法
US7848055B2 (en) 2007-06-14 2010-12-07 Tdk Corporation Magnetic head with an electrode film including different film thicknesses
US7983001B2 (en) 2007-11-15 2011-07-19 Tdk Corporation Slider mounted magnetic head having a perpendicular recording head with a main pole having a ruthenium(Ru) electrode film
US8243387B2 (en) 2007-04-10 2012-08-14 Tdk Corporation Magnetic head with plated magnetic film formed on PdNi alloy electrode film

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007220777A (ja) * 2006-02-15 2007-08-30 Fujitsu Ltd 軟磁性薄膜およびその製造方法並びに磁気ヘッド
CN101593523B (zh) * 2008-05-30 2011-02-02 北京化工大学 一种l10型超高密度磁性记录金属薄膜的制备方法
US8274758B2 (en) * 2008-06-12 2012-09-25 Headway Technologies, Inc. Composite writer shield for improving writer performance
US8040761B2 (en) * 2009-06-24 2011-10-18 Tdk Corporation Near-field light generating device including near-field light generating element disposed over waveguide with buffer layer and adhesion layer therebetween
JP4956661B2 (ja) * 2010-10-15 2012-06-20 株式会社東芝 磁気ヘッド、およびこれを備えたディスク装置
US8254059B2 (en) 2010-12-06 2012-08-28 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording head with domain controlled side shield
US9053713B2 (en) * 2012-10-14 2015-06-09 Headway Technologies, Inc. High coercivity magnetic film for use as a hot seed in a magnetic write head and method to grow it
AT519637A1 (de) * 2017-01-27 2018-08-15 Hirtenberger Eng Surfaces Gmbh Magnetischer kraftsensor
US10891974B1 (en) 2017-06-07 2021-01-12 Sandisk Technologies Llc Magnetic head with current assisted magnetic recording and method of making thereof
US10896690B1 (en) 2017-06-07 2021-01-19 Sandisk Technologies Llc Magnetic head with current assisted magnetic recording and method of making thereof
US11075026B2 (en) * 2018-06-07 2021-07-27 Arizona Board Of Regents On Behalf Of Arizona State University Magnetic conductive NiFe alloys
US10839844B1 (en) 2018-06-18 2020-11-17 Western Digital Technologies, Inc. Current-assisted magnetic recording write head with wide conductive element in the write gap
US11017801B1 (en) 2018-10-09 2021-05-25 Western Digital Technologies, Inc. Magnetic head with assisted magnetic recording and method of making thereof
US10891975B1 (en) 2018-10-09 2021-01-12 SanDiskTechnologies LLC. Magnetic head with assisted magnetic recording and method of making thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10199726A (ja) * 1997-01-13 1998-07-31 Univ Waseda Ｃｏ−Ｎｉ−Ｆｅを主成分とする軟磁性薄膜，その製造方法，それを用いた磁気ヘッド及び磁気記憶装置
JP2002092820A (ja) * 2000-09-20 2002-03-29 Toshiba Corp 垂直記録用磁気ヘッドおよび磁気ディスク装置
JP2004158818A (ja) * 2002-09-12 2004-06-03 Alps Electric Co Ltd 軟磁性膜とこの軟磁性膜を用いた薄膜磁気ヘッド、ならびに前記軟磁性膜の製造方法と前記薄膜磁気ヘッドの製造方法

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JPH0831372B2 (ja) * 1988-11-25 1996-03-27 財団法人生産開発科学研究所 Ｆｅ―Ｃｏ系磁性膜の製造法
JPH04195809A (ja) * 1990-11-28 1992-07-15 Hitachi Ltd 薄膜磁気ヘッド
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JP3182399B2 (ja) 1997-09-17 2001-07-03 株式会社東芝 軟磁性合金膜とその製造方法、磁気ヘッド、および磁気ディスク
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US6765757B2 (en) * 2001-01-15 2004-07-20 Alps Electric Co., Ltd. Soft magnetic film having high saturation magnetic flux density, thin-film magnetic head using the same, and manufacturing method of the same
JP3679757B2 (ja) 2001-01-15 2005-08-03 アルプス電気株式会社 軟磁性膜の製造方法と薄膜磁気ヘッドの製造方法
GB0207724D0 (en) * 2002-04-03 2002-05-15 Seagate Technology Llc Patent submission-Ruthenium as non-magnetic sedlayer for electrodeposition
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JPWO2003096359A1 (ja) * 2002-05-10 2005-09-15 独立行政法人科学技術振興機構 高飽和磁束密度軟磁性材料
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JP2005086012A (ja) 2003-09-09 2005-03-31 Fujitsu Ltd 磁性薄膜およびその製造方法並びに磁性薄膜を用いた磁気ヘッド

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10199726A (ja) * 1997-01-13 1998-07-31 Univ Waseda Ｃｏ−Ｎｉ−Ｆｅを主成分とする軟磁性薄膜，その製造方法，それを用いた磁気ヘッド及び磁気記憶装置
JP2002092820A (ja) * 2000-09-20 2002-03-29 Toshiba Corp 垂直記録用磁気ヘッドおよび磁気ディスク装置
JP2004158818A (ja) * 2002-09-12 2004-06-03 Alps Electric Co Ltd 軟磁性膜とこの軟磁性膜を用いた薄膜磁気ヘッド、ならびに前記軟磁性膜の製造方法と前記薄膜磁気ヘッドの製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008205472A (ja) * 2007-02-16 2008-09-04 Headway Technologies Inc 軟磁性層の形成方法および磁性層の軟化方法
US8243387B2 (en) 2007-04-10 2012-08-14 Tdk Corporation Magnetic head with plated magnetic film formed on PdNi alloy electrode film
US7848055B2 (en) 2007-06-14 2010-12-07 Tdk Corporation Magnetic head with an electrode film including different film thicknesses
US7983001B2 (en) 2007-11-15 2011-07-19 Tdk Corporation Slider mounted magnetic head having a perpendicular recording head with a main pole having a ruthenium(Ru) electrode film

Also Published As

Publication number Publication date
CN1838244A (zh) 2006-09-27
US20060215315A1 (en) 2006-09-28
KR100723901B1 (ko) 2007-06-04
KR20060102462A (ko) 2006-09-27
CN100371989C (zh) 2008-02-27
US7397632B2 (en) 2008-07-08

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